#include<bits/stdc++.h>
using namespace std;
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int a[100005],n,ans[100005]={0},num=0,answer=0;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    for(int i=1;i<=n;i++){
         ans[a[i]]++;
    }
    for(int i=1;i<=n;i++){
        if(ans[i]>0){
            num++;
        }
    }
    for(int i=1;i<=100001;i++){
         if(ans[i]>answer) answer=ans[i];
    }
    cout<<answer<<endl;
    return 0;
}
